So i have an 85 gts with the stock 16v, engine starts up fine with no issues, will run and idle fine for about 30 minutes, but after that it starts to die on me. if i give it throttle it will stay running and sometimes will stabilize for about another 5-10 minutes before it wants to die again. it ran for 5 months with no issues and this randomly started happening, only modifications to engine have been iac removed and a injen intakei suspect something electronic is warming up and then going out, anyone come across something similar?